Mt
Meitnerium-266m
Protons (Z)
109
Neutrons (N)
157
Mass number
266
Half-Life
6.0 ms
Abundance
---
Mass
266.138 u
Mass Excess
128,810.0 keV
Spin
---
Discovered
1984
Binding energy per nucleon
7,266 keV
Neutron separation energy
5,881 keV
Proton separation energy
-621 keV
Decay Mode
- α→Bohrium-262100%
Decay chain
- MtMeitnerium-266Z 109 · N 1576.0 ms
- α100%
- α100%
- α64%
- α71.7%
- β⁺92.974%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%